top.jsp

为适应网络媒体的发展

<%@ page contentType="text/html;charset=gb2312"%>
<%@ page session="true"%>
<%@ page import="java.sql.*,java.util.*"%>
<%
response.setDateHeader("Expires",0);
response.setHeader("Pragme","no-cache");
if(request.getProtocol().equals("HTTP/1.1")){
	response.setHeader("Cache-Control","no-cache");
}%>